Seven
people are living in a dome house : a mother, three daughters, a maid,
a chef and a butler.One day the mother
went shopping and when she came back the youngest daughter had been
murdered.

She questioned the
two daughters.

The
first one said: "I was playing on the computer". The second one said: "I was
reading".Then she asked the
butler and he said : "I was driving you around while you were shopping".After that she
asked the chef and he said:"I was making lunch".Finally she asked
the maid and she said: "I was dusting the coners".